Emerson WirelessHart devices using HartIP protocol

Emerson WirelessHart devices

Command

Read

Write

Command 0 – Read Unique Identifier

Yes

-

Command 3 – Read Dynamic Variables and Loop Current

Yes

-

Command 9 – Read Device Variables and Status

Yes

-

Command 13 – Read Tag, Descriptor and Date

Yes

-

Command 20 – Read Long Tag

Yes

-

Command 38 – Reset Configuration Changed Flag

Yes

-

Command 48 – Read Device Additional Status

Yes

-

Command 50 – Read Dynamic Variable Assignments

Yes

-

Command 74 – Read I/O System Capabilities

Yes

-

Command 84 – Read Sub-Device Identity Summary

Yes

-

Command 101 – Read Sub-device to Burst Message Map

Yes

-

Command 105 – Read Burst Mode Configuration

Yes

-

Command 178 – Publish Dynamic Data

Yes

-

Command

Description

0

Read Unique Identifier

3

Read Dynamic Variables and Loop Current

9

Read Device Variables and Status

13

Read Tag, Descriptor and Date

20

Read Long Tag

38

Reset Configuration Changed Flag

48

Read Device Additional Status

50

Read Dynamic Variable Assignments

74

Read I/O System Capabilities

84

Read Sub-Device Identity Summary

101

Read Sub-device to Burst Message Map

105

Read Burst Mode Configuration

178

Publish Dynamic Data

Command 0

Parameters

Expansion Code

Expanded Device Type Code

Request Preambles

Universal Revision Level

Transmitter Revision Level

Software Revision

Hardware Revision Level / Physical Signing Code

Flags

Device Identification Code

Minimum# Response Preambles

Max# of Device Variable

Configuration Change Counter

Extended Field Device Status

Manufacture Identification Code

Private Label Distributor

Device Profile

Command 3

Parameters

PV Loop Current (many wireless devices return NaN, no analog output)

PV Units Code

PV

SV Units Code

SV

TV Units Code

TV

QV Units Code

QV

Command 9

Parameters

Slot 0: Device Variable Code

Slot 0: Device Variable Classification

Slot 0: Device Variable Units Code

Slot 0: Device Variable Value

Slot 0: Device Variable Status

Slot 1: Device Variable Code

Slot 1: Device Variable Classification

Slot 1: Device Variable Units Code

Slot 1: Device Variable Value

Slot 1: Device Variable Status

Slot 2: Device Variable Code

Slot 2: Device Variable Classification

Slot 2: Device Variable Units Code

Slot 2: Device Variable Value

Slot 2: Device Variable Status

Slot 3: Device Variable Code

Slot 3: Device Variable Classification

Slot 3: Device Variable Units Code

Slot 3: Device Variable Value

Slot 3: Device Variable Status

Slot 4: Device Variable Code

Slot 4: Device Variable Classification

Slot 4: Device Variable Units Code

Slot 4: Device Variable Value

Slot 4: Device Variable Status

Slot 5: Device Variable Code

Slot 5: Device Variable Classification

Slot 5: Device Variable Units Code

Slot 5: Device Variable Value

Slot 5: Device Variable Status

Slot 6: Device Variable Code

Slot 6: Device Variable Classification

Slot 6: Device Variable Units Code

Slot 6: Device Variable Value

Slot 6: Device Variable Status

Slot 7: Device Variable Code

Slot 7: Device Variable Classification

Slot 7: Device Variable Units Code

Slot 7: Device Variable Value

Slot 7: Device Variable Status

Slot 0: Time Stamp (units of 1/32 of a mS or 0.00003125 seconds or 31.25 μS)

Command 13

Parameters

Tag

Descriptor

Day

Month

Year since 1900

Command 20

Parameter

Long Tag

Command 38

Parameter

Configuration Change Counter (previously read value)

Command 48

Parameters

Transmitter Status 0

Transmitter Status 1

Transmitter Status 2

Transmitter Status 3

Transmitter Status 4

Transmitter Status 5

Extended Device Status

Device Operating Mode

Standardize Status 0

Standardize Status 1

Analog Channel Saturated

Standardize Status 2

Standardize Status 3

Command 50

Parameters

Device Variable mapped to PV

Device Variable mapped to SV

Device Variable mapped to TV

Device Variable mapped to QV

Command 74

Parameters

Maximum Number of I/O Cards (must be ≥1)

Maximum Number of Channels per I/O Card (must be ≥1)

Maximum Number of Sub-Devices per Channel (must be ≥1)

Number of devices detected (the count includes the I/O system itself)

Maximum number of delayed responses supported by the I/O system. (must be ≥ 2)

Master mode for communication on channels. 1 = Primary Master (default)

Retry count to use when sending commands to a sub-device. (Range 2 ≤ value ≤ 5)

Command 84

Parameters

Sub-device index

I/O Card

Channel

Manufacturer Id

Expanded Device Type Code

Device Id

Universal Command Revision

Long Tag

Device Revision

Device Profile

Private Label Distributor

Command 101

Parameters

Burst Message

Sub-device Index (index 0 indicates the I/O System itself)

Command 105

Parameters

Burst Mode Control Code

Command Number (usually 31 for HART 7 devices, see Extended Command Number)

Device Variable Code Assigned to Slot 0

Device Variable Code Assigned to Slot 1

Device Variable Code Assigned to Slot 2

Device Variable Code Assigned to Slot 3

Device Variable Code Assigned to Slot 4

Device Variable Code Assigned to Slot 5

Device Variable Code Assigned to Slot 6

Device Variable Code Assigned to Slot 7

Burst Message

Maximum number of burst messages supported by this device

Extended Command Number

Update Time (burst period)

Maximum Update Time

Burst Trigger Mode

Device Variable Classification

Trigger Units Code

Trigger Level

Command 178

Parameters

Number of command in the structure (typically 2 for cmd 9 and cmd 48)

Command Number 1 (typically 9)

Command Number 1 Byte Count (varies depending on command payload)

Command Number 1 Response code

Extended Device Status

PV Device Variable Code

PV Device Variable Classification

PV Device Variable Units Code

PV Device Variable Value

PV Device Variable Status

SV Device Variable Code

SV Device Variable Classification

SV Device Variable Units Code

SV Device Variable Value

SV Device Variable Status

TV Device Variable Code

TV Device Variable Classification

TV Device Variable Units Code

TV Device Variable Value

TV Device Variable Status

QV Device Variable Code

QV Device Variable Classification

QV Device Variable Units Code

QV Device Variable Value

QV Device Variable Status

PV % Range Device Variable Code (variable code = 244 typically)

PV % Range Device Variable Classification

PV % Range  Device Variable Units Code  (typically 57 = %)

PV % Range Device Variable Value

PV % Range  Device Variable Status

PV Loop Current Device Variable Code (variable code = 245 typically)

PV Loop Current  Device Variable Classification

PV Loop Current  Device Variable Units Code (typically 39 = mA)

PV Loop Current  Device Variable Value

PV Loop Current  Device Variable Status

PV Time Stamp

Command Number 2 (typically 48)

Command Number 2 Byte Count (varies depending on command payload)

Command Number 2 Response code

Transmitter status byte 0

Transmitter status byte 1

Transmitter status byte 2

Transmitter status byte 3

Transmitter status byte 4

Transmitter status byte 5

Extended Device Status

Device Operating Mode

Standardized Status 0

Standardized Status 1

Analog Channel Saturated (usually 0)

Standardized Status 2

Standardized Status 3